132 lines
4.5 KiB
C
132 lines
4.5 KiB
C
/*
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* Check decoding of PTP_* commands of ioctl syscall.
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*
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* Copyright (c) 2018 Harsha Sharma <harshasharmaiitr@gmail.com>
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* Copyright (c) 2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#ifdef HAVE_STRUCT_PTP_SYS_OFFSET
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#include <errno.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <linux/ptp_clock.h>
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#include "xlat.h"
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#include "xlat/ptp_flags_options.h"
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static void
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test_no_device(void)
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{
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ptp_clock_caps, caps);
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fill_memory(caps, sizeof(*caps));
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ptp_sys_offset, sysoff);
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fill_memory(sysoff, sizeof(*sysoff));
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ptp_extts_request, extts);
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fill_memory(extts, sizeof(*extts));
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ptp_perout_request, perout);
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fill_memory(perout, sizeof(*perout));
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int saved_errno;
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/* PTP_CLOCK_GETCAPS */
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ioctl(-1, PTP_CLOCK_GETCAPS, NULL);
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printf("ioctl(-1, PTP_CLOCK_GETCAPS, NULL) = -1 EBADF (%m)\n");
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ioctl(-1, PTP_CLOCK_GETCAPS, caps);
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printf("ioctl(-1, PTP_CLOCK_GETCAPS, %p) = -1 EBADF (%m)\n", caps);
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/* PTP_SYS_OFFSET */
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ioctl(-1, PTP_SYS_OFFSET, NULL);
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printf("ioctl(-1, PTP_SYS_OFFSET, NULL) = -1 EBADF (%m)\n");
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ioctl(-1, PTP_SYS_OFFSET, sysoff);
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printf("ioctl(-1, PTP_SYS_OFFSET, {n_samples=%u}) = -1 EBADF (%m)\n",
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sysoff->n_samples);
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/* PTP_ENABLE_PPS */
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ioctl(-1, PTP_ENABLE_PPS, 0);
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printf("ioctl(-1, PTP_ENABLE_PPS, 0) = -1 EBADF (%m)\n");
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ioctl(-1, PTP_ENABLE_PPS, 1);
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printf("ioctl(-1, PTP_ENABLE_PPS, 1) = -1 EBADF (%m)\n");
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/* PTP_EXTTS_REQUEST */
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ioctl(-1, PTP_EXTTS_REQUEST, NULL);
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printf("ioctl(-1, PTP_EXTTS_REQUEST, NULL) = -1 EBADF (%m)\n");
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ioctl(-1, PTP_EXTTS_REQUEST, extts);
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saved_errno = errno;
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printf("ioctl(-1, PTP_EXTTS_REQUEST, {index=%d, flags=", extts->index);
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printflags(ptp_flags_options, extts->flags, "PTP_???");
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errno = saved_errno;
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printf("}) = -1 EBADF (%m)\n");
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/* PTP_PEROUT_REQUEST */
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ioctl(-1, PTP_PEROUT_REQUEST, NULL);
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printf("ioctl(-1, PTP_PEROUT_REQUEST, NULL) = -1 EBADF (%m)\n");
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ioctl(-1, PTP_PEROUT_REQUEST, perout);
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saved_errno = errno;
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printf("ioctl(-1, PTP_PEROUT_REQUEST, {start={sec=%" PRId64
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", nsec=%" PRIu32 "}, period={sec=%" PRId64 ", nsec=%" PRIu32 "}"
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", index=%d, flags=",
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(int64_t) perout->start.sec, perout->start.nsec,
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(int64_t)perout->period.sec, perout->period.nsec, perout->index);
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printflags(ptp_flags_options, perout->flags, "PTP_???");
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errno = saved_errno;
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printf("}) = -1 EBADF (%m)\n");
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/* unrecognized */
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ioctl(-1, _IOC(_IOC_READ, PTP_CLK_MAGIC, 0xff, 0xfe), 0);
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printf("ioctl(-1, _IOC(_IOC_READ, %#x, 0xff, 0xfe), 0)"
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" = -1 EBADF (%m)\n", PTP_CLK_MAGIC);
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const unsigned long arg = (unsigned long) 0xfacefeeddeadbeefULL;
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ioctl(-1, _IOC(_IOC_WRITE, PTP_CLK_MAGIC, 0xfd, 0xfc), arg);
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printf("ioctl(-1, _IOC(_IOC_WRITE, %#x, 0xfd, 0xfc), %#lx)"
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" = -1 EBADF (%m)\n", PTP_CLK_MAGIC, arg);
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}
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int
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main(void)
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{
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test_no_device();
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("HAVE_STRUCT_PTP_SYS_OFFSET")
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#endif /* HAVE_STRUCT_PTP_SYS_OFFSET */
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